org.apache.ignite.internal.processors.cache.distributed.dht

Class GridClientPartitionTopology

java.lang.Object

org.apache.ignite.internal.processors.cache.distributed.dht.GridClientPartitionTopology

All Implemented Interfaces:

GridDhtPartitionTopology

@GridToStringExclude
public class GridClientPartitionTopology
extends Object
implements GridDhtPartitionTopology

Partition topology for node which does not have any local partitions.

Constructor Summary

Constructors

Constructor and Description
GridClientPartitionTopology(GridCacheSharedContext cctx, int cacheId, GridDhtPartitionsExchangeFuture exchFut)

Method Summary

Methods

Modifier and Type	Method and Description
boolean	afterExchange(GridDhtPartitionsExchangeFuture exchFut) Post-initializes this topology.
void	beforeExchange(GridDhtPartitionsExchangeFuture exchFut, boolean initParts) Pre-initializes this topology.
int	cacheId()
Collection<GridDhtLocalPartition>	currentLocalPartitions()
void	initPartitions(GridDhtPartitionsExchangeFuture exchFut)
long	lastUpdateSequence()
GridDhtLocalPartition	localPartition(int p, AffinityTopologyVersion topVer, boolean create)
GridDhtLocalPartition	localPartition(Object key, boolean create)
GridDhtPartitionMap2	localPartitionMap()
List<GridDhtLocalPartition>	localPartitions()
List<ClusterNode>	moving(int p)
List<ClusterNode>	nodes(int p, AffinityTopologyVersion topVer)
void	onEvicted(GridDhtLocalPartition part, boolean updateSeq)
void	onRemoved(GridDhtCacheEntry e)
boolean	own(GridDhtLocalPartition part)
List<ClusterNode>	owners(int p)
List<ClusterNode>	owners(int p, AffinityTopologyVersion topVer)
GridDhtPartitionFullMap	partitionMap(boolean onlyActive)
GridDhtPartitionMap2	partitions(UUID nodeId)
GridDhtPartitionState	partitionState(UUID nodeId, int part)
void	printMemoryStats(int threshold) Prints memory stats.
void	readLock() Locks the topology, usually during mapping on locks or transactions.
void	readUnlock() Unlocks topology locked by GridDhtPartitionTopology.readLock() method.
boolean	rebalanceFinished(AffinityTopologyVersion topVer)
void	releasePartitions(int... parts)
boolean	stopping()
AffinityTopologyVersion	topologyVersion() Topology version.
GridDhtTopologyFuture	topologyVersionFuture() Gets a future that will be completed when partition exchange map for this particular topology version is done.
GridDhtPartitionMap2	update(GridDhtPartitionExchangeId exchId, GridDhtPartitionFullMap partMap, Map<Integer,Long> cntrMap)
GridDhtPartitionMap2	update(GridDhtPartitionExchangeId exchId, GridDhtPartitionMap2 parts, Map<Integer,Long> cntrMap)
Map<Integer,Long>	updateCounters()
long	updateSequence()
void	updateTopologyVersion(GridDhtPartitionExchangeId exchId, GridDhtPartitionsExchangeFuture exchFut, long updSeq, boolean stopping) Updates topology version.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

GridClientPartitionTopology

public GridClientPartitionTopology(GridCacheSharedContext cctx,
                           int cacheId,
                           GridDhtPartitionsExchangeFuture exchFut)

Parameters:

cctx - Context.

cacheId - Cache ID.

exchFut - Exchange ID.

Method Detail

cacheId

public int cacheId()

Returns:

Cache ID.

readLock

public void readLock()

Locks the topology, usually during mapping on locks or transactions.

Specified by:

readLock in interface GridDhtPartitionTopology

readUnlock

public void readUnlock()

Unlocks topology locked by GridDhtPartitionTopology.readLock() method.

Specified by:

readUnlock in interface GridDhtPartitionTopology

updateTopologyVersion

public void updateTopologyVersion(GridDhtPartitionExchangeId exchId,
                         GridDhtPartitionsExchangeFuture exchFut,
                         long updSeq,
                         boolean stopping)
                           throws IgniteInterruptedCheckedException

Updates topology version.

Specified by:

updateTopologyVersion in interface GridDhtPartitionTopology

Parameters:

exchId - Exchange ID.

exchFut - Exchange future.

updSeq - Update sequence.

stopping - Stopping flag.

Throws:

IgniteInterruptedCheckedException - If interrupted.

topologyVersion

public AffinityTopologyVersion topologyVersion()

Topology version.

Specified by:

topologyVersion in interface GridDhtPartitionTopology

Returns:

Topology version.

topologyVersionFuture

public GridDhtTopologyFuture topologyVersionFuture()

Gets a future that will be completed when partition exchange map for this particular topology version is done.

Specified by:

topologyVersionFuture in interface GridDhtPartitionTopology

Returns:

Topology version ready future.

stopping

public boolean stopping()

Specified by:

stopping in interface GridDhtPartitionTopology

Returns:

True if cache is being stopped.

initPartitions

public void initPartitions(GridDhtPartitionsExchangeFuture exchFut)

Specified by:

initPartitions in interface GridDhtPartitionTopology

Parameters:

exchFut - Exchange future.

beforeExchange

public void beforeExchange(GridDhtPartitionsExchangeFuture exchFut,
                  boolean initParts)
                    throws IgniteCheckedException

Pre-initializes this topology.

Specified by:

beforeExchange in interface GridDhtPartitionTopology

Parameters:

exchFut - Exchange future.

initParts - Affinity ready flag.

Throws:

IgniteCheckedException - If failed.

afterExchange

public boolean afterExchange(GridDhtPartitionsExchangeFuture exchFut)
                      throws IgniteCheckedException

Post-initializes this topology.

Specified by:

afterExchange in interface GridDhtPartitionTopology

Parameters:

exchFut - Exchange future.

Returns:

True if mapping was changed.

Throws:

IgniteCheckedException - If failed.

localPartition

@Nullable
public GridDhtLocalPartition localPartition(int p,
                                            AffinityTopologyVersion topVer,
                                            boolean create)
                                     throws GridDhtInvalidPartitionException

Specified by:

localPartition in interface GridDhtPartitionTopology

Parameters:

p - Partition ID.

topVer - Topology version at the time of creation.

create - If true, then partition will be created if it's not there.

Returns:

Local partition.

Throws:

GridDhtInvalidPartitionException - If partition is evicted or absent and does not belong to this node.

localPartition

public GridDhtLocalPartition localPartition(Object key,
                                   boolean create)

Specified by:

localPartition in interface GridDhtPartitionTopology

Parameters:

key - Cache key.

create - If true, then partition will be created if it's not there.

Returns:

Local partition.

releasePartitions

public void releasePartitions(int... parts)

Specified by:

releasePartitions in interface GridDhtPartitionTopology

Parameters:

parts - Partitions to release (should be reserved before).

localPartitions

public List<GridDhtLocalPartition> localPartitions()

Specified by:

localPartitions in interface GridDhtPartitionTopology

Returns:

All local partitions by copying them into another list.

currentLocalPartitions

public Collection<GridDhtLocalPartition> currentLocalPartitions()

Specified by:

currentLocalPartitions in interface GridDhtPartitionTopology

Returns:

All current local partitions.

onRemoved

public void onRemoved(GridDhtCacheEntry e)

Specified by:

onRemoved in interface GridDhtPartitionTopology

Parameters:

e - Entry removed from cache.

localPartitionMap

public GridDhtPartitionMap2 localPartitionMap()

Specified by:

localPartitionMap in interface GridDhtPartitionTopology

Returns:

Local IDs.

partitionState

public GridDhtPartitionState partitionState(UUID nodeId,
                                   int part)

Specified by:

partitionState in interface GridDhtPartitionTopology

Parameters:

nodeId - Node ID.

part - Partition.

Returns:

Partition state.

nodes

public List<ClusterNode> nodes(int p,
                      AffinityTopologyVersion topVer)

Specified by:

nodes in interface GridDhtPartitionTopology

Parameters:

p - Partition ID.

topVer - Topology version.

Returns:

Collection of all nodes responsible for this partition with primary node being first.

owners

public List<ClusterNode> owners(int p,
                       AffinityTopologyVersion topVer)

Specified by:

owners in interface GridDhtPartitionTopology

Parameters:

p - Partition ID.

topVer - Topology version.

Returns:

Collection of all nodes who own this partition.

owners

public List<ClusterNode> owners(int p)

Specified by:

owners in interface GridDhtPartitionTopology

Parameters:

p - Partition ID.

Returns:

Collection of all nodes who own this partition.

moving

public List<ClusterNode> moving(int p)

Specified by:

moving in interface GridDhtPartitionTopology

Parameters:

p - Partition ID.

Returns:

Collection of all nodes who are preloading this partition.

updateSequence

public long updateSequence()

Specified by:

updateSequence in interface GridDhtPartitionTopology

Returns:

Current update sequence.

lastUpdateSequence

public long lastUpdateSequence()

Returns:

Last update sequence.

partitionMap

public GridDhtPartitionFullMap partitionMap(boolean onlyActive)

Specified by:

partitionMap in interface GridDhtPartitionTopology

Parameters:

onlyActive - If true, then only active partitions will be returned.

Returns:

Node IDs mapped to partitions.

update

@Nullable
public GridDhtPartitionMap2 update(@Nullable
                                   GridDhtPartitionExchangeId exchId,
                                   GridDhtPartitionFullMap partMap,
                                   Map<Integer,Long> cntrMap)

Specified by:

update in interface GridDhtPartitionTopology

Parameters:

exchId - Exchange ID.

partMap - Update partition map.

cntrMap - Partition update counters.

Returns:

Local partition map if there were evictions or null otherwise.

update

@Nullable
public GridDhtPartitionMap2 update(@Nullable
                                   GridDhtPartitionExchangeId exchId,
                                   GridDhtPartitionMap2 parts,
                                   Map<Integer,Long> cntrMap)

Specified by:

update in interface GridDhtPartitionTopology

Parameters:

exchId - Exchange ID.

parts - Partitions.

cntrMap - Partition update counters.

Returns:

Local partition map if there were evictions or null otherwise.

own

public boolean own(GridDhtLocalPartition part)

Specified by:

own in interface GridDhtPartitionTopology

Parameters:

part - Partition to own.

Returns:

True if owned.

onEvicted

public void onEvicted(GridDhtLocalPartition part,
             boolean updateSeq)

Specified by:

onEvicted in interface GridDhtPartitionTopology

Parameters:

part - Evicted partition.

updateSeq - Update sequence increment flag.

partitions

@Nullable
public GridDhtPartitionMap2 partitions(UUID nodeId)

Specified by:

partitions in interface GridDhtPartitionTopology

Parameters:

nodeId - Node to get partitions for.

Returns:

Partitions for node.

updateCounters

public Map<Integer,Long> updateCounters()

Specified by:

updateCounters in interface GridDhtPartitionTopology

Returns:

Partition update counters.

rebalanceFinished

public boolean rebalanceFinished(AffinityTopologyVersion topVer)

Specified by:

rebalanceFinished in interface GridDhtPartitionTopology

Parameters:

topVer - Topology version.

Returns:

True if rebalance process finished.

printMemoryStats

public void printMemoryStats(int threshold)

Prints memory stats.

Specified by:

printMemoryStats in interface GridDhtPartitionTopology

Parameters:

threshold - Threshold for number of entries.